Messier 39

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Messier 39
2MASS image of M39.
Credit: 2MASS/NASA.
Observation data (J2000 epoch)
Constellation Cygnus
Right ascension 21h 31m 42s
Declination +48° 25′ ″
Distance 824.4 (252.8)
Apparent magnitude (V) +5.5
Physical characteristics
Other designations Messier 39, NGC 7092
See also: Open cluster, List of open clusters

Open Cluster M39 (also known as Messier Object 39, Messier 39, M39, or NGC 7092) is an open cluster in the constellation Cygnus. It was discovered by Charles Messier in 1764. M39 is at a distance of about 800 light-years away from Earth. Its age is estimated to be from 200 to 300 million years.

It is located at Right Ascension 21 hours, 32.2 minutes, and Declination +48 degrees 26 minutes.

It has a magnitude (brightness) of 5.5

References

File:M39map.png
Map showing location of M39

External links

Coordinates: Sky map 21h 31m 08s, 48° 27′ 00″


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